JPH0289379U - - Google Patents

Info

Publication number

JPH0289379U

JPH0289379U JP16878088U JP16878088U JPH0289379U JP H0289379 U JPH0289379 U JP H0289379U JP 16878088 U JP16878088 U JP 16878088U JP 16878088 U JP16878088 U JP 16878088U JP H0289379 U JPH0289379 U JP H0289379U

Authority

JP

Japan

Prior art keywords

vibration

wavelength

phase difference

output

positions

Prior art date

1988-12-27

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000001514 detection method Methods 0.000 claims description 2
• 239000000284 extract Substances 0.000 claims 1
• 238000005259 measurement Methods 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 2

Cited By (2)